Features:
Model: Shimano RD-TZ31-A rear derailleur
Speed: Compatible with 6 and 7 speed.
Weight: ~310G
Colour: Black
Mount: Direct Mount
Bike Type: Touring, Universal Bike
Cage: Medium
Material: High quality plastic and alloy.
Cage: Long cage
Largest sprocket:28T
Front chainwheel tooth difference:20T
Compatible mount type: Direct Mount and Hub bolt mount (Hanger mount)

Mainly used in aluminum alloy bike frame. Suitable for mountain bike/road bike use.
his rear derailleur is constructed with good quality metal material which is anti-rust, wear-resistant, durable for long time use.
Precise machining ensures smooth process with little abrasion that it can move the chain from one sprocket to another.
The derailleur can hinge with the chain perfectly boost speed and easy installation or depart.
- Installation type: direct mount type. Please check the mount type of your original part before buying, if bike frame with hook, as picture shows, you can use it
- Suitable for mountain bike/road bike
- Any installation questions, you can email us or write answer, we will answer in few hours

Important: This is 100% Shimano brand, new, no original package.